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24.
Rofl means rolling on floor laughing.

Hence the R.O.F.L
But just like every other word from the internetz it has evolved in many ways such as roflmao meaning rolling on floor laughing my ass off. It has also seemed to evolve to food products such as rofl my waffle or rofl my brothel sprouts.
Jim: I had sex with a male donkey.
Delores: Rofl why?
Jim: Because sex with male donkeys are good luck
by Zaralot October 10, 2011
 
1.
ROFL is an internet accronmym for Rolling On Floor Laughing, and like all things internet it has adapted to nerd culture and has taken on new real-life use, though usually in a satirical way.

ROFL can be merged with other accronyms to created super l33t acronyms that "r0x0r y0ur b0x0rs" per se. Some examples of the merged accronyms are as follows:

ROFLAARP: Rolling On Floor Looking At Assorted Rodent Pornography

or

ROFLEW: Rolling On Floor Laughing whilst Eating Waffles
<noob> Yo dude, these waffles are sweet!
<admin> rofl. Are you ROFLEW?
<noob> Nah dude! I'm totally eating them at a table.
by urban_dictatator June 26, 2004
 
2.
Rolling On The Floor Laughing.

Rhymes with 'waffle'.
ROFL!!!!1 u r teh FUNi!11 i lub u <3
by Bastardized Bottomburp September 29, 2003
 
3.
ROFL is short for: Rolling on the floor laughing. Straining the fact that it is a lot more funny than your usual lol.
I just bitch smacked my friend!
-ROFL
by Genocide April 11, 2003
 
4.
Rolling On Floor Laughing

laughing more than simply LOL
used on its own normally.

rofl :)
by Semajal October 29, 2002
 
5.
Rolling on the floor laughing. Typically used by people who are too lazy to press the rest of the keys on their keyboard needed to communicate in English.
Person1: ...and then I hit my head.
Person2: rofl!
Person1: Shut up. You sound like a friggin' twit. I hereby revoke your right to speak my language.
by JDFSKL March 02, 2004
 
6.
"rolling on floor laughing"
Often used sarcastically or to show something is too funny for just "lol".
"hey, i just melted your face off, isnt that hillarious?"
"rofl"
by _Jay_ June 25, 2006
 
7.
Rolling On Floor Laughing....
Timmy069: Hey....
Robert420360: What...
Timmy: Did you ever find Bugs Bunny attractive when he would wear a skirt and act like a girl bunny???
Robert420360: .....NO!!
Robert420360: R.O.F.L.!!!!!!!!!!
by Toopy February 16, 2006